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   <div id="projectname">FLITr
   &#160;<span id="projectnumber">1.x</span>
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   <div id="projectbrief">Framework for Live Image Transformation.</div>
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<div class="title">ffmpeg_reader.h</div>  </div>
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<a href="ffmpeg__reader_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/* Framework for Live Image Transformation (FLITr) </span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment"> * Copyright (c) 2010 CSIR</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment"> * </span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment"> * This file is part of FLITr.</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment"> * FLITr is free software: you can redistribute it and/or modify it</span></div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment"> * under the terms of the GNU Lesser General Public License as</span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment"> * published by the Free Software Foundation, either version 3 of the</span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment"> * License, or (at your option) any later version.</span></div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment"> * </span></div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="comment"> * FLITr is distributed in the hope that it will be useful, but</span></div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="comment"> * WITHOUT ANY WARRANTY; without even the implied warranty of</span></div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span></div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="comment"> * Lesser General Public License for more details.</span></div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="comment"> * </span></div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="comment"> * You should have received a copy of the GNU Lesser General Public</span></div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="comment"> * License along with FLITr. If not, see</span></div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="comment"> * &lt;http://www.gnu.org/licenses/&gt;.</span></div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;</div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="preprocessor">#ifndef FFMPEG_READER_H</span></div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define FFMPEG_READER_H 1</span></div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="preprocessor">#ifndef FLITR_USE_SWSCALE</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"><a class="code" href="ffmpeg__reader_8h.html#af521f67272cb6563aeb00223440362c8">   25</a></span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define FLITR_USE_SWSCALE 1</span></div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="image_8h.html">flitr/image.h</a>&gt;</span></div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="log__message_8h.html">flitr/log_message.h</a>&gt;</span></div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="stats__collector_8h.html">flitr/stats_collector.h</a>&gt;</span></div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;</div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;<span class="keyword">extern</span> <span class="stringliteral">&quot;C&quot;</span> {</div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;<span class="preprocessor">#if defined FLITR_USE_SWSCALE</span></div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#include &lt;libavformat/avformat.h&gt;</span></div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;<span class="preprocessor">#include &lt;libswscale/swscale.h&gt;</span></div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;<span class="preprocessor">#include &lt;libavutil/mathematics.h&gt;</span></div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;<span class="preprocessor">#include &lt;libavutil/error.h&gt;</span></div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;<span class="preprocessor">#include &lt;libavcodec/avcodec.h&gt;</span></div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;<span class="preprocessor">#include &lt;libavutil/pixdesc.h&gt;</span></div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;<span class="preprocessor">#include &lt;libavutil/pixfmt.h&gt;</span></div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;<span class="preprocessor">#else</span></div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#include &lt;libavformat/avformat.h&gt;</span></div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;<span class="preprocessor">#include &lt;libavutil/mathematics.h&gt;</span></div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;<span class="preprocessor">#include &lt;libavutil/error.h&gt;</span></div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;<span class="preprocessor">#include &lt;libavcodec/avcodec.h&gt;</span></div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;<span class="preprocessor">#include &lt;libavutil/pixdesc.h&gt;</span></div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;<span class="preprocessor">#include &lt;libavutil/pixfmt.h&gt;</span></div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;<span class="preprocessor"></span>}</div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;</div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;<span class="preprocessor">#undef PixelFormat</span></div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;<span class="preprocessor">#include &lt;boost/tr1/memory.hpp&gt;</span></div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;</div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;<span class="preprocessor">#include &lt;iostream&gt;</span></div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;<span class="preprocessor">#include &lt;sstream&gt;</span></div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;</div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;<span class="keyword">namespace </span>flitr {</div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;</div>
<div class="line"><a name="l00061"></a><span class="lineno"><a class="code" href="structflitr_1_1_f_fmpeg_reader_exception.html">   61</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structflitr_1_1_f_fmpeg_reader_exception.html" title="Class thrown when video errors occur.">FFmpegReaderException</a> {</div>
<div class="line"><a name="l00062"></a><span class="lineno"><a class="code" href="structflitr_1_1_f_fmpeg_reader_exception.html#a0a964aefb60bd335425e356bc2cc1ec4">   62</a></span>&#160;    <a class="code" href="structflitr_1_1_f_fmpeg_reader_exception.html#a0a964aefb60bd335425e356bc2cc1ec4">FFmpegReaderException</a>() {}</div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;};</div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;</div>
<div class="line"><a name="l00068"></a><span class="lineno"><a class="code" href="classflitr_1_1_f_fmpeg_reader.html">   68</a></span>&#160;<span class="keyword">class </span><a class="code" href="flitr__export_8h.html#a954cc8ba3eaae88472e9d8f406ca4a86">FLITR_EXPORT</a> <a class="code" href="classflitr_1_1_f_fmpeg_reader.html">FFmpegReader</a> {</div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;    <a class="code" href="classflitr_1_1_f_fmpeg_reader.html">FFmpegReader</a>(std::string filename, <a class="code" href="classflitr_1_1_image_format.html#a2bab1cfeef716117996a75550577efdc">ImageFormat::PixelFormat</a> out_pix_fmt);</div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;    ~<a class="code" href="classflitr_1_1_f_fmpeg_reader.html">FFmpegReader</a>();</div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;</div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;    <span class="keywordtype">bool</span> getImage(<a class="code" href="classflitr_1_1_image.html">Image</a> &amp;out_image, <span class="keywordtype">int</span> im_number);</div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;</div>
<div class="line"><a name="l00096"></a><span class="lineno"><a class="code" href="classflitr_1_1_f_fmpeg_reader.html#a740fa7dd073b975a09ebe7e91c4d3424">   96</a></span>&#160;    uint32_t <a class="code" href="classflitr_1_1_f_fmpeg_reader.html#a740fa7dd073b975a09ebe7e91c4d3424">getNumImages</a>() { <span class="keywordflow">return</span> NumImages_; }</div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;</div>
<div class="line"><a name="l00104"></a><span class="lineno"><a class="code" href="classflitr_1_1_f_fmpeg_reader.html#aae37f57a9b15da8d618a1e2bfeae633d">  104</a></span>&#160;    int32_t <a class="code" href="classflitr_1_1_f_fmpeg_reader.html#aae37f57a9b15da8d618a1e2bfeae633d">getCurrentImage</a>() { <span class="keywordflow">return</span> CurrentImage_; }</div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;</div>
<div class="line"><a name="l00111"></a><span class="lineno"><a class="code" href="classflitr_1_1_f_fmpeg_reader.html#ad527b9ec7171b66d5899aac97f896b0e">  111</a></span>&#160;    <a class="code" href="classflitr_1_1_image_format.html">ImageFormat</a> <a class="code" href="classflitr_1_1_f_fmpeg_reader.html#ad527b9ec7171b66d5899aac97f896b0e">getFormat</a>() { <span class="keywordflow">return</span> ImageFormat_; }</div>
<div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;</div>
<div class="line"><a name="l00118"></a><span class="lineno"><a class="code" href="classflitr_1_1_f_fmpeg_reader.html#a616a5dd24870cb208540851e1a1fb35a">  118</a></span>&#160;    uint32_t <a class="code" href="classflitr_1_1_f_fmpeg_reader.html#a616a5dd24870cb208540851e1a1fb35a">getFrameRate</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> FrameRate_; }</div>
<div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;</div>
<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;  <span class="keyword">private</span>:</div>
<div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;    <span class="keyword">static</span> <span class="keywordtype">int</span> lockManager(<span class="keywordtype">void</span> **mutex, <span class="keyword">enum</span> AVLockOp op);</div>
<div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;</div>
<div class="line"><a name="l00124"></a><span class="lineno"><a class="code" href="classflitr_1_1_f_fmpeg_reader.html#acef0c5bfc2b66530c84d5350fa2465f2">  124</a></span>&#160;    AVFormatContext *<a class="code" href="classflitr_1_1_f_fmpeg_reader.html#acef0c5bfc2b66530c84d5350fa2465f2">FormatContext_</a>;</div>
<div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;    <span class="comment">//AVFormatParameters FormatParameters_;</span></div>
<div class="line"><a name="l00126"></a><span class="lineno"><a class="code" href="classflitr_1_1_f_fmpeg_reader.html#a02e064fdf514504f2e7a21883819c028">  126</a></span>&#160;    AVCodecContext *<a class="code" href="classflitr_1_1_f_fmpeg_reader.html#a02e064fdf514504f2e7a21883819c028">CodecContext_</a>;</div>
<div class="line"><a name="l00127"></a><span class="lineno"><a class="code" href="classflitr_1_1_f_fmpeg_reader.html#adc7191f085b0d7a3d88714f8e20c6ceb">  127</a></span>&#160;    AVCodec *<a class="code" href="classflitr_1_1_f_fmpeg_reader.html#adc7191f085b0d7a3d88714f8e20c6ceb">Codec_</a>;</div>
<div class="line"><a name="l00128"></a><span class="lineno"><a class="code" href="classflitr_1_1_f_fmpeg_reader.html#a7884240cbe2686284a5407d6bdb8f43e">  128</a></span>&#160;    <span class="keywordtype">int</span> <a class="code" href="classflitr_1_1_f_fmpeg_reader.html#a7884240cbe2686284a5407d6bdb8f43e">VideoStreamIndex_</a>;</div>
<div class="line"><a name="l00130"></a><span class="lineno"><a class="code" href="classflitr_1_1_f_fmpeg_reader.html#a8742474011e3ecf625979550a2e14e1f">  130</a></span>&#160;    AVFrame* <a class="code" href="classflitr_1_1_f_fmpeg_reader.html#a8742474011e3ecf625979550a2e14e1f" title="Frame to receive the internal format decoded video.">DecodedFrame_</a>;</div>
<div class="line"><a name="l00132"></a><span class="lineno"><a class="code" href="classflitr_1_1_f_fmpeg_reader.html#a05945b2e6a86d6f729a7716ba836cd55">  132</a></span>&#160;    AVFrame* <a class="code" href="classflitr_1_1_f_fmpeg_reader.html#a05945b2e6a86d6f729a7716ba836cd55" title="Frame containing the image data converted to output format.">ConvertedFrame_</a>;</div>
<div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;</div>
<div class="line"><a name="l00134"></a><span class="lineno"><a class="code" href="classflitr_1_1_f_fmpeg_reader.html#a313d487821ed807bb7a7bf3f1d6f9aed">  134</a></span>&#160;    uint32_t <a class="code" href="classflitr_1_1_f_fmpeg_reader.html#a313d487821ed807bb7a7bf3f1d6f9aed">FrameRate_</a>;</div>
<div class="line"><a name="l00136"></a><span class="lineno"><a class="code" href="classflitr_1_1_f_fmpeg_reader.html#a0fe3dd6bcc21a3dd2bd066f8ae085a12">  136</a></span>&#160;    <a class="code" href="classflitr_1_1_image_format.html">ImageFormat</a> <a class="code" href="classflitr_1_1_f_fmpeg_reader.html#a0fe3dd6bcc21a3dd2bd066f8ae085a12" title="Output format.">ImageFormat_</a>;</div>
<div class="line"><a name="l00138"></a><span class="lineno"><a class="code" href="classflitr_1_1_f_fmpeg_reader.html#a2b04ad9a4de8c9d827abb36dd3a2cafe">  138</a></span>&#160;    uint32_t <a class="code" href="classflitr_1_1_f_fmpeg_reader.html#a2b04ad9a4de8c9d827abb36dd3a2cafe" title="Number of frames/images in the video.">NumImages_</a>;</div>
<div class="line"><a name="l00141"></a><span class="lineno"><a class="code" href="classflitr_1_1_f_fmpeg_reader.html#adbdb997de4ac1aa445be01103ef7b124">  141</a></span>&#160;    int32_t <a class="code" href="classflitr_1_1_f_fmpeg_reader.html#adbdb997de4ac1aa445be01103ef7b124">CurrentImage_</a>;</div>
<div class="line"><a name="l00142"></a><span class="lineno"><a class="code" href="classflitr_1_1_f_fmpeg_reader.html#a862e6dec3261d18eeddeefb65f3b9a03">  142</a></span>&#160;    std::string <a class="code" href="classflitr_1_1_f_fmpeg_reader.html#a862e6dec3261d18eeddeefb65f3b9a03">FileName_</a>;</div>
<div class="line"><a name="l00144"></a><span class="lineno"><a class="code" href="classflitr_1_1_f_fmpeg_reader.html#acac6e27cf3ddd95c7f7c78fc4037f5f1">  144</a></span>&#160;    <span class="keywordtype">bool</span> <a class="code" href="classflitr_1_1_f_fmpeg_reader.html#acac6e27cf3ddd95c7f7c78fc4037f5f1" title="True if e.g. reading from jpg or png files.">SingleFrameSource_</a>;</div>
<div class="line"><a name="l00145"></a><span class="lineno"><a class="code" href="classflitr_1_1_f_fmpeg_reader.html#a366b6a3d1c581babffbd5681c9821074">  145</a></span>&#160;    <span class="keywordtype">bool</span> <a class="code" href="classflitr_1_1_f_fmpeg_reader.html#a366b6a3d1c581babffbd5681c9821074">SingleFrameDone_</a>;</div>
<div class="line"><a name="l00146"></a><span class="lineno"><a class="code" href="classflitr_1_1_f_fmpeg_reader.html#ab3389340789a96e48c7a9400c09fdda2">  146</a></span>&#160;    std::tr1::shared_ptr&lt;Image&gt; <a class="code" href="classflitr_1_1_f_fmpeg_reader.html#ab3389340789a96e48c7a9400c09fdda2">SingleImage_</a>;</div>
<div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;</div>
<div class="line"><a name="l00148"></a><span class="lineno"><a class="code" href="classflitr_1_1_f_fmpeg_reader.html#a2ce83711c47e4156e4b80f33df8a092a">  148</a></span>&#160;    std::tr1::shared_ptr&lt;StatsCollector&gt; <a class="code" href="classflitr_1_1_f_fmpeg_reader.html#a2ce83711c47e4156e4b80f33df8a092a">SwscaleStats_</a>;</div>
<div class="line"><a name="l00149"></a><span class="lineno"><a class="code" href="classflitr_1_1_f_fmpeg_reader.html#aa070b138e6c8a0c9d6a6080968c9a676">  149</a></span>&#160;    std::tr1::shared_ptr&lt;StatsCollector&gt; <a class="code" href="classflitr_1_1_f_fmpeg_reader.html#aa070b138e6c8a0c9d6a6080968c9a676">GetImageStats_</a>;</div>
<div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;</div>
<div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;</div>
<div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;<span class="preprocessor">#if defined FLITR_USE_SWSCALE</span></div>
<div class="line"><a name="l00153"></a><span class="lineno"><a class="code" href="classflitr_1_1_f_fmpeg_reader.html#af2643a616ce175d3be170ddbb50b754a">  153</a></span>&#160;<span class="preprocessor"></span>    <span class="keyword">struct </span>SwsContext *<a class="code" href="classflitr_1_1_f_fmpeg_reader.html#af2643a616ce175d3be170ddbb50b754a">ConvertFormatCtx_</a>;</div>
<div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;<span class="preprocessor"></span>};</div>
<div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;</div>
<div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;}</div>
<div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;</div>
<div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;<span class="preprocessor">#endif //FFMPEG_READER_H</span></div>
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